User not able to access the mailbox in Webmail/Outlook.

Hi Guys,

Today I have faced very interesting things in Exchange 2010 and I think I have to share it with you guys.

Issue: -

User not able to access the mailbox in Webmail/Outlook.

Error Message: -

While user opening outlook/webmail getting “This Mailbox Couldn’t be opened” .

Exchange Mailbox Properties,

Mailbox Status in Webmail

Problem Statement: -

Due to the above Error user not able to access the mailbox over the webmail or outlook.

Resolution: -

1.    Open ADSIEDIT.msc ---->Navigate to User OU---->Select the User Name ---->Right Click and remove the below attributes.

Mail

mDBUseDefaults

msExchALObjectVersion

msExchHomeServerName

1.    Wait for complete the Replication.

2.    Create New Mailbox – Enable-Mailbox –Identity “User Name” –Database “DB Name”.

3.    Check the mailbox functionality and email routing for this mailbox.

I have checked the mailbox status and email routing getting delivered successfully.

Thanks